<template>
  <div class="notfound">
    <svg-icon name="404" />
    <div class="content">
      <h1>404</h1>
      <div class="desc">抱歉，你访问的页面不存在</div>
      <el-button type="primary" @click="goBack">{{ countdown }}秒后，返回首页</el-button>
    </div>
  </div>
</template>

<script>
export default {
  beforeRouteLeave(to, from, next) {
    clearInterval(this.inter)
    next()
  },
  data() {
    return {
      inter: null,
      countdown: 5
    }
  },
  mounted() {
    this.inter = setInterval(() => {
      this.countdown--
      if (this.countdown == 0) {
        clearInterval(this.inter)
        this.goBack()
      }
    }, 1000)
  },
  methods: {
    goBack() {
      this.$router.push('/')
    }
  }
}
</script>

<style lang="scss" scoped>
.notfound {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 700px;
    @include position-center(xy);
    .svg-icon {
        width: 400px;
        height: 400px;
    }
    .content {
        h1 {
            margin: 0;
            font-size: 72px;
            color: #303133;
        }
        .desc {
            margin: 20px 0 30px;
            font-size: 20px;
            color: #606266;
        }
    }
}
</style>
